ui/spice-core.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <spice.h>
  19
  20 #include <netdb.h>
  21 #include "sysemu/sysemu.h"
  22
  23 #include "qemu-common.h"
  24 #include "ui/qemu-spice.h"
  25 #include "qemu/thread.h"
  26 #include "qemu/timer.h"
  27 #include "qemu/queue.h"
  28 #include "qemu-x509.h"
  29 #include "qemu/sockets.h"
  30 #include "qmp-commands.h"
  31 #include "qapi/qmp/qint.h"
  32 #include "qapi/qmp/qbool.h"
  33 #include "qapi/qmp/qstring.h"
  34 #include "qapi/qmp/qjson.h"
  35 #include "qemu/notify.h"
  36 #include "migration/migration.h"
  37 #include "hw/hw.h"
  38 #include "ui/spice-display.h"
  39 #include "qapi-event.h"
  40
  41 /* core bits */
  42
  43 static SpiceServer *spice_server;
  44 static Notifier migration_state;
  45 static const char *auth = "spice";
  46 static char *auth_passwd;
  47 static time_t auth_expires = TIME_MAX;
  48 static int spice_migration_completed;
  49 static int spice_display_is_running;
  50 static int spice_have_target_host;
  51 int using_spice = 0;
  52
  53 static QemuThread me;
  54
  55 struct SpiceTimer {
  56     QEMUTimer *timer;
  57     QTAILQ_ENTRY(SpiceTimer) next;
  58 };
  59 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  60
  61 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  62 {
  63     SpiceTimer *timer;
  64
  65     timer = g_malloc0(sizeof(*timer));
  66     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  67     QTAILQ_INSERT_TAIL(&timers, timer, next);
  68     return timer;
  69 }
  70
  71 static void timer_start(SpiceTimer *timer, uint32_t ms)
  72 {
  73     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  74 }
  75
  76 static void timer_cancel(SpiceTimer *timer)
  77 {
  78     timer_del(timer->timer);
  79 }
  80
  81 static void timer_remove(SpiceTimer *timer)
  82 {
  83     timer_del(timer->timer);
  84     timer_free(timer->timer);
  85     QTAILQ_REMOVE(&timers, timer, next);
  86     g_free(timer);
  87 }
  88
  89 struct SpiceWatch {
  90     int fd;
  91     int event_mask;
  92     SpiceWatchFunc func;
  93     void *opaque;
  94     QTAILQ_ENTRY(SpiceWatch) next;
  95 };
  96 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  97
  98 static void watch_read(void *opaque)
  99 {
 100     SpiceWatch *watch = opaque;
 101     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 102 }
 103
 104 static void watch_write(void *opaque)
 105 {
 106     SpiceWatch *watch = opaque;
 107     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 108 }
 109
 110 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 111 {
 112     IOHandler *on_read = NULL;
 113     IOHandler *on_write = NULL;
 114
 115     watch->event_mask = event_mask;
 116     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 117         on_read = watch_read;
 118     }
 119     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 120         on_write = watch_write;
 121     }
 122     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 123 }
 124
 125 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 126 {
 127     SpiceWatch *watch;
 128
 129     watch = g_malloc0(sizeof(*watch));
 130     watch->fd     = fd;
 131     watch->func   = func;
 132     watch->opaque = opaque;
 133     QTAILQ_INSERT_TAIL(&watches, watch, next);
 134
 135     watch_update_mask(watch, event_mask);
 136     return watch;
 137 }
 138
 139 static void watch_remove(SpiceWatch *watch)
 140 {
 141     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 142     QTAILQ_REMOVE(&watches, watch, next);
 143     g_free(watch);
 144 }
 145
 146 typedef struct ChannelList ChannelList;
 147 struct ChannelList {
 148     SpiceChannelEventInfo *info;
 149     QTAILQ_ENTRY(ChannelList) link;
 150 };
 151 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 152
 153 static void channel_list_add(SpiceChannelEventInfo *info)
 154 {
 155     ChannelList *item;
 156
 157     item = g_malloc0(sizeof(*item));
 158     item->info = info;
 159     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 160 }
 161
 162 static void channel_list_del(SpiceChannelEventInfo *info)
 163 {
 164     ChannelList *item;
 165
 166     QTAILQ_FOREACH(item, &channel_list, link) {
 167         if (item->info != info) {
 168             continue;
 169         }
 170         QTAILQ_REMOVE(&channel_list, item, link);
 171         g_free(item);
 172         return;
 173     }
 174 }
 175
 176 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 177 {
 178     char host[NI_MAXHOST], port[NI_MAXSERV];
 179
 180     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 181                 NI_NUMERICHOST | NI_NUMERICSERV);
 182
 183     info->host = g_strdup(host);
 184     info->port = g_strdup(port);
 185     info->family = inet_netfamily(addr->sa_family);
 186 }
 187
 188 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 189 {
 190     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 191
 192     sc->connection_id = info->connection_id;
 193     sc->channel_type = info->type;
 194     sc->channel_id = info->id;
 195     sc->tls = !!tls;
 196 }
 197
 198 static void channel_event(int event, SpiceChannelEventInfo *info)
 199 {
 200     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 201     SpiceChannel *client = g_malloc0(sizeof(*client));
 202     server->base = g_malloc0(sizeof(*server->base));
 203     client->base = g_malloc0(sizeof(*client->base));
 204
 205     /*
 206      * Spice server might have called us from spice worker thread
 207      * context (happens on display channel disconnects).  Spice should
 208      * not do that.  It isn't that easy to fix it in spice and even
 209      * when it is fixed we still should cover the already released
 210      * spice versions.  So detect that we've been called from another
 211      * thread and grab the iothread lock if so before calling qemu
 212      * functions.
 213      */
 214     bool need_lock = !qemu_thread_is_self(&me);
 215     if (need_lock) {
 216         qemu_mutex_lock_iothread();
 217     }
 218
 219     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 220         add_addr_info(client->base, (struct sockaddr *)&info->paddr_ext,
 221                       info->plen_ext);
 222         add_addr_info(server->base, (struct sockaddr *)&info->laddr_ext,
 223                       info->llen_ext);
 224     } else {
 225         error_report("spice: %s, extended address is expected",
 226                      __func__);
 227     }
 228
 229     switch (event) {
 230     case SPICE_CHANNEL_EVENT_CONNECTED:
 231         qapi_event_send_spice_connected(server->base, client->base, &error_abort);
 232         break;
 233     case SPICE_CHANNEL_EVENT_INITIALIZED:
 234         if (auth) {
 235             server->has_auth = true;
 236             server->auth = g_strdup(auth);
 237         }
 238         add_channel_info(client, info);
 239         channel_list_add(info);
 240         qapi_event_send_spice_initialized(server, client, &error_abort);
 241         break;
 242     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 243         channel_list_del(info);
 244         qapi_event_send_spice_disconnected(server->base, client->base, &error_abort);
 245         break;
 246     default:
 247         break;
 248     }
 249
 250     if (need_lock) {
 251         qemu_mutex_unlock_iothread();
 252     }
 253
 254     qapi_free_SpiceServerInfo(server);
 255     qapi_free_SpiceChannel(client);
 256 }
 257
 258 static SpiceCoreInterface core_interface = {
 259     .base.type          = SPICE_INTERFACE_CORE,
 260     .base.description   = "qemu core services",
 261     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 262     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 263
 264     .timer_add          = timer_add,
 265     .timer_start        = timer_start,
 266     .timer_cancel       = timer_cancel,
 267     .timer_remove       = timer_remove,
 268
 269     .watch_add          = watch_add,
 270     .watch_update_mask  = watch_update_mask,
 271     .watch_remove       = watch_remove,
 272
 273     .channel_event      = channel_event,
 274 };
 275
 276 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 277 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 278
 279 static const SpiceMigrateInterface migrate_interface = {
 280     .base.type = SPICE_INTERFACE_MIGRATION,
 281     .base.description = "migration",
 282     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 283     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 284     .migrate_connect_complete = migrate_connect_complete_cb,
 285     .migrate_end_complete = migrate_end_complete_cb,
 286 };
 287
 288 static SpiceMigrateInstance spice_migrate;
 289
 290 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 291 {
 292     /* nothing, but libspice-server expects this cb being present. */
 293 }
 294
 295 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 296 {
 297     qapi_event_send_spice_migrate_completed(&error_abort);
 298     spice_migration_completed = true;
 299 }
 300
 301 /* config string parsing */
 302
 303 static int name2enum(const char *string, const char *table[], int entries)
 304 {
 305     int i;
 306
 307     if (string) {
 308         for (i = 0; i < entries; i++) {
 309             if (!table[i]) {
 310                 continue;
 311             }
 312             if (strcmp(string, table[i]) != 0) {
 313                 continue;
 314             }
 315             return i;
 316         }
 317     }
 318     return -1;
 319 }
 320
 321 static int parse_name(const char *string, const char *optname,
 322                       const char *table[], int entries)
 323 {
 324     int value = name2enum(string, table, entries);
 325
 326     if (value != -1) {
 327         return value;
 328     }
 329     error_report("spice: invalid %s: %s", optname, string);
 330     exit(1);
 331 }
 332
 333 static const char *stream_video_names[] = {
 334     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 335     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 336     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 337 };
 338 #define parse_stream_video(_name) \
 339     parse_name(_name, "stream video control", \
 340                stream_video_names, ARRAY_SIZE(stream_video_names))
 341
 342 static const char *compression_names[] = {
 343     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 344     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 345     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 346     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 347     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 348     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 349 };
 350 #define parse_compression(_name)                                        \
 351     parse_name(_name, "image compression",                              \
 352                compression_names, ARRAY_SIZE(compression_names))
 353
 354 static const char *wan_compression_names[] = {
 355     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 356     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 357     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 358 };
 359 #define parse_wan_compression(_name)                                    \
 360     parse_name(_name, "wan compression",                                \
 361                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 362
 363 /* functions for the rest of qemu */
 364
 365 static SpiceChannelList *qmp_query_spice_channels(void)
 366 {
 367     SpiceChannelList *cur_item = NULL, *head = NULL;
 368     ChannelList *item;
 369
 370     QTAILQ_FOREACH(item, &channel_list, link) {
 371         SpiceChannelList *chan;
 372         char host[NI_MAXHOST], port[NI_MAXSERV];
 373         struct sockaddr *paddr;
 374         socklen_t plen;
 375
 376         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 377
 378         chan = g_malloc0(sizeof(*chan));
 379         chan->value = g_malloc0(sizeof(*chan->value));
 380         chan->value->base = g_malloc0(sizeof(*chan->value->base));
 381
 382         paddr = (struct sockaddr *)&item->info->paddr_ext;
 383         plen = item->info->plen_ext;
 384         getnameinfo(paddr, plen,
 385                     host, sizeof(host), port, sizeof(port),
 386                     NI_NUMERICHOST | NI_NUMERICSERV);
 387         chan->value->base->host = g_strdup(host);
 388         chan->value->base->port = g_strdup(port);
 389         chan->value->base->family = inet_netfamily(paddr->sa_family);
 390
 391         chan->value->connection_id = item->info->connection_id;
 392         chan->value->channel_type = item->info->type;
 393         chan->value->channel_id = item->info->id;
 394         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 395
 396        /* XXX: waiting for the qapi to support GSList */
 397         if (!cur_item) {
 398             head = cur_item = chan;
 399         } else {
 400             cur_item->next = chan;
 401             cur_item = chan;
 402         }
 403     }
 404
 405     return head;
 406 }
 407
 408 static QemuOptsList qemu_spice_opts = {
 409     .name = "spice",
 410     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 411     .desc = {
 412         {
 413             .name = "port",
 414             .type = QEMU_OPT_NUMBER,
 415         },{
 416             .name = "tls-port",
 417             .type = QEMU_OPT_NUMBER,
 418         },{
 419             .name = "addr",
 420             .type = QEMU_OPT_STRING,
 421         },{
 422             .name = "ipv4",
 423             .type = QEMU_OPT_BOOL,
 424         },{
 425             .name = "ipv6",
 426             .type = QEMU_OPT_BOOL,
 427 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 428         },{
 429             .name = "unix",
 430             .type = QEMU_OPT_BOOL,
 431 #endif
 432         },{
 433             .name = "password",
 434             .type = QEMU_OPT_STRING,
 435         },{
 436             .name = "disable-ticketing",
 437             .type = QEMU_OPT_BOOL,
 438         },{
 439             .name = "disable-copy-paste",
 440             .type = QEMU_OPT_BOOL,
 441         },{
 442             .name = "disable-agent-file-xfer",
 443             .type = QEMU_OPT_BOOL,
 444         },{
 445             .name = "sasl",
 446             .type = QEMU_OPT_BOOL,
 447         },{
 448             .name = "x509-dir",
 449             .type = QEMU_OPT_STRING,
 450         },{
 451             .name = "x509-key-file",
 452             .type = QEMU_OPT_STRING,
 453         },{
 454             .name = "x509-key-password",
 455             .type = QEMU_OPT_STRING,
 456         },{
 457             .name = "x509-cert-file",
 458             .type = QEMU_OPT_STRING,
 459         },{
 460             .name = "x509-cacert-file",
 461             .type = QEMU_OPT_STRING,
 462         },{
 463             .name = "x509-dh-key-file",
 464             .type = QEMU_OPT_STRING,
 465         },{
 466             .name = "tls-ciphers",
 467             .type = QEMU_OPT_STRING,
 468         },{
 469             .name = "tls-channel",
 470             .type = QEMU_OPT_STRING,
 471         },{
 472             .name = "plaintext-channel",
 473             .type = QEMU_OPT_STRING,
 474         },{
 475             .name = "image-compression",
 476             .type = QEMU_OPT_STRING,
 477         },{
 478             .name = "jpeg-wan-compression",
 479             .type = QEMU_OPT_STRING,
 480         },{
 481             .name = "zlib-glz-wan-compression",
 482             .type = QEMU_OPT_STRING,
 483         },{
 484             .name = "streaming-video",
 485             .type = QEMU_OPT_STRING,
 486         },{
 487             .name = "agent-mouse",
 488             .type = QEMU_OPT_BOOL,
 489         },{
 490             .name = "playback-compression",
 491             .type = QEMU_OPT_BOOL,
 492         }, {
 493             .name = "seamless-migration",
 494             .type = QEMU_OPT_BOOL,
 495         },
 496         { /* end of list */ }
 497     },
 498 };
 499
 500 SpiceInfo *qmp_query_spice(Error **errp)
 501 {
 502     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 503     int port, tls_port;
 504     const char *addr;
 505     SpiceInfo *info;
 506     unsigned int major;
 507     unsigned int minor;
 508     unsigned int micro;
 509
 510     info = g_malloc0(sizeof(*info));
 511
 512     if (!spice_server || !opts) {
 513         info->enabled = false;
 514         return info;
 515     }
 516
 517     info->enabled = true;
 518     info->migrated = spice_migration_completed;
 519
 520     addr = qemu_opt_get(opts, "addr");
 521     port = qemu_opt_get_number(opts, "port", 0);
 522     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 523
 524     info->has_auth = true;
 525     info->auth = g_strdup(auth);
 526
 527     info->has_host = true;
 528     info->host = g_strdup(addr ? addr : "*");
 529
 530     info->has_compiled_version = true;
 531     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 532     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 533     micro = SPICE_SERVER_VERSION & 0xff;
 534     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 535
 536     if (port) {
 537         info->has_port = true;
 538         info->port = port;
 539     }
 540     if (tls_port) {
 541         info->has_tls_port = true;
 542         info->tls_port = tls_port;
 543     }
 544
 545     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 546                        SPICE_QUERY_MOUSE_MODE_SERVER :
 547                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 548
 549     /* for compatibility with the original command */
 550     info->has_channels = true;
 551     info->channels = qmp_query_spice_channels();
 552
 553     return info;
 554 }
 555
 556 static void migration_state_notifier(Notifier *notifier, void *data)
 557 {
 558     MigrationState *s = data;
 559
 560     if (!spice_have_target_host) {
 561         return;
 562     }
 563
 564     if (migration_in_setup(s)) {
 565         spice_server_migrate_start(spice_server);
 566     } else if (migration_has_finished(s)) {
 567         spice_server_migrate_end(spice_server, true);
 568         spice_have_target_host = false;
 569     } else if (migration_has_failed(s)) {
 570         spice_server_migrate_end(spice_server, false);
 571         spice_have_target_host = false;
 572     }
 573 }
 574
 575 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 576                             const char *subject)
 577 {
 578     int ret;
 579
 580     ret = spice_server_migrate_connect(spice_server, hostname,
 581                                        port, tls_port, subject);
 582     spice_have_target_host = true;
 583     return ret;
 584 }
 585
 586 static int add_channel(const char *name, const char *value, void *opaque)
 587 {
 588     int security = 0;
 589     int rc;
 590
 591     if (strcmp(name, "tls-channel") == 0) {
 592         int *tls_port = opaque;
 593         if (!*tls_port) {
 594             error_report("spice: tried to setup tls-channel"
 595                          " without specifying a TLS port");
 596             exit(1);
 597         }
 598         security = SPICE_CHANNEL_SECURITY_SSL;
 599     }
 600     if (strcmp(name, "plaintext-channel") == 0) {
 601         security = SPICE_CHANNEL_SECURITY_NONE;
 602     }
 603     if (security == 0) {
 604         return 0;
 605     }
 606     if (strcmp(value, "default") == 0) {
 607         rc = spice_server_set_channel_security(spice_server, NULL, security);
 608     } else {
 609         rc = spice_server_set_channel_security(spice_server, value, security);
 610     }
 611     if (rc != 0) {
 612         error_report("spice: failed to set channel security for %s", value);
 613         exit(1);
 614     }
 615     return 0;
 616 }
 617
 618 static void vm_change_state_handler(void *opaque, int running,
 619                                     RunState state)
 620 {
 621     if (running) {
 622         qemu_spice_display_start();
 623     } else {
 624         qemu_spice_display_stop();
 625     }
 626 }
 627
 628 void qemu_spice_init(void)
 629 {
 630     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 631     const char *password, *str, *x509_dir, *addr,
 632         *x509_key_password = NULL,
 633         *x509_dh_file = NULL,
 634         *tls_ciphers = NULL;
 635     char *x509_key_file = NULL,
 636         *x509_cert_file = NULL,
 637         *x509_cacert_file = NULL;
 638     int port, tls_port, addr_flags;
 639     spice_image_compression_t compression;
 640     spice_wan_compression_t wan_compr;
 641     bool seamless_migration;
 642
 643     qemu_thread_get_self(&me);
 644
 645     if (!opts) {
 646         return;
 647     }
 648     port = qemu_opt_get_number(opts, "port", 0);
 649     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 650     if (port < 0 || port > 65535) {
 651         error_report("spice port is out of range");
 652         exit(1);
 653     }
 654     if (tls_port < 0 || tls_port > 65535) {
 655         error_report("spice tls-port is out of range");
 656         exit(1);
 657     }
 658     password = qemu_opt_get(opts, "password");
 659
 660     if (tls_port) {
 661         x509_dir = qemu_opt_get(opts, "x509-dir");
 662         if (!x509_dir) {
 663             x509_dir = ".";
 664         }
 665
 666         str = qemu_opt_get(opts, "x509-key-file");
 667         if (str) {
 668             x509_key_file = g_strdup(str);
 669         } else {
 670             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 671                                             X509_SERVER_KEY_FILE);
 672         }
 673
 674         str = qemu_opt_get(opts, "x509-cert-file");
 675         if (str) {
 676             x509_cert_file = g_strdup(str);
 677         } else {
 678             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 679                                              X509_SERVER_CERT_FILE);
 680         }
 681
 682         str = qemu_opt_get(opts, "x509-cacert-file");
 683         if (str) {
 684             x509_cacert_file = g_strdup(str);
 685         } else {
 686             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 687                                                X509_CA_CERT_FILE);
 688         }
 689
 690         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 691         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 692         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 693     }
 694
 695     addr = qemu_opt_get(opts, "addr");
 696     addr_flags = 0;
 697     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 698         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 699     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 700         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 701 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 702     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 703         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 704 #endif
 705     }
 706
 707     spice_server = spice_server_new();
 708     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 709     if (port) {
 710         spice_server_set_port(spice_server, port);
 711     }
 712     if (tls_port) {
 713         spice_server_set_tls(spice_server, tls_port,
 714                              x509_cacert_file,
 715                              x509_cert_file,
 716                              x509_key_file,
 717                              x509_key_password,
 718                              x509_dh_file,
 719                              tls_ciphers);
 720     }
 721     if (password) {
 722         qemu_spice_set_passwd(password, false, false);
 723     }
 724     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 725         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 726             spice_server_set_sasl(spice_server, 1) == -1) {
 727             error_report("spice: failed to enable sasl");
 728             exit(1);
 729         }
 730         auth = "sasl";
 731     }
 732     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 733         auth = "none";
 734         spice_server_set_noauth(spice_server);
 735     }
 736
 737     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 738         spice_server_set_agent_copypaste(spice_server, false);
 739     }
 740
 741     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 742 #if SPICE_SERVER_VERSION >= 0x000c04
 743         spice_server_set_agent_file_xfer(spice_server, false);
 744 #else
 745         error_report("this qemu build does not support the "
 746                      "\"disable-agent-file-xfer\" option");
 747         exit(1);
 748 #endif
 749     }
 750
 751     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 752     str = qemu_opt_get(opts, "image-compression");
 753     if (str) {
 754         compression = parse_compression(str);
 755     }
 756     spice_server_set_image_compression(spice_server, compression);
 757
 758     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 759     str = qemu_opt_get(opts, "jpeg-wan-compression");
 760     if (str) {
 761         wan_compr = parse_wan_compression(str);
 762     }
 763     spice_server_set_jpeg_compression(spice_server, wan_compr);
 764
 765     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 766     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 767     if (str) {
 768         wan_compr = parse_wan_compression(str);
 769     }
 770     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 771
 772     str = qemu_opt_get(opts, "streaming-video");
 773     if (str) {
 774         int streaming_video = parse_stream_video(str);
 775         spice_server_set_streaming_video(spice_server, streaming_video);
 776     } else {
 777         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 778     }
 779
 780     spice_server_set_agent_mouse
 781         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 782     spice_server_set_playback_compression
 783         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 784
 785     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 786
 787     spice_server_set_name(spice_server, qemu_name);
 788     spice_server_set_uuid(spice_server, qemu_uuid);
 789
 790     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 791     spice_server_set_seamless_migration(spice_server, seamless_migration);
 792     if (spice_server_init(spice_server, &core_interface) != 0) {
 793         error_report("failed to initialize spice server");
 794         exit(1);
 795     };
 796     using_spice = 1;
 797
 798     migration_state.notify = migration_state_notifier;
 799     add_migration_state_change_notifier(&migration_state);
 800     spice_migrate.base.sif = &migrate_interface.base;
 801     qemu_spice_add_interface(&spice_migrate.base);
 802
 803     qemu_spice_input_init();
 804     qemu_spice_audio_init();
 805
 806     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 807     qemu_spice_display_stop();
 808
 809     g_free(x509_key_file);
 810     g_free(x509_cert_file);
 811     g_free(x509_cacert_file);
 812
 813 #if SPICE_SERVER_VERSION >= 0x000c02
 814     qemu_spice_register_ports();
 815 #endif
 816 }
 817
 818 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 819 {
 820     if (!spice_server) {
 821         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 822             error_report("Oops: spice configured but not active");
 823             exit(1);
 824         }
 825         /*
 826          * Create a spice server instance.
 827          * It does *not* listen on the network.
 828          * It handles QXL local rendering only.
 829          *
 830          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 831          */
 832         spice_server = spice_server_new();
 833         spice_server_set_sasl_appname(spice_server, "qemu");
 834         spice_server_init(spice_server, &core_interface);
 835         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 836     }
 837
 838     return spice_server_add_interface(spice_server, sin);
 839 }
 840
 841 static GSList *spice_consoles;
 842
 843 bool qemu_spice_have_display_interface(QemuConsole *con)
 844 {
 845     if (g_slist_find(spice_consoles, con)) {
 846         return true;
 847     }
 848     return false;
 849 }
 850
 851 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 852 {
 853     if (g_slist_find(spice_consoles, con)) {
 854         return -1;
 855     }
 856     qxlin->id = qemu_console_get_index(con);
 857     spice_consoles = g_slist_append(spice_consoles, con);
 858     return qemu_spice_add_interface(&qxlin->base);
 859 }
 860
 861 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 862 {
 863     time_t lifetime, now = time(NULL);
 864     char *passwd;
 865
 866     if (now < auth_expires) {
 867         passwd = auth_passwd;
 868         lifetime = (auth_expires - now);
 869         if (lifetime > INT_MAX) {
 870             lifetime = INT_MAX;
 871         }
 872     } else {
 873         passwd = NULL;
 874         lifetime = 1;
 875     }
 876     return spice_server_set_ticket(spice_server, passwd, lifetime,
 877                                    fail_if_conn, disconnect_if_conn);
 878 }
 879
 880 int qemu_spice_set_passwd(const char *passwd,
 881                           bool fail_if_conn, bool disconnect_if_conn)
 882 {
 883     if (strcmp(auth, "spice") != 0) {
 884         return -1;
 885     }
 886
 887     g_free(auth_passwd);
 888     auth_passwd = g_strdup(passwd);
 889     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 890 }
 891
 892 int qemu_spice_set_pw_expire(time_t expires)
 893 {
 894     auth_expires = expires;
 895     return qemu_spice_set_ticket(false, false);
 896 }
 897
 898 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 899 {
 900     if (tls) {
 901         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 902     } else {
 903         return spice_server_add_client(spice_server, csock, skipauth);
 904     }
 905 }
 906
 907 void qemu_spice_display_start(void)
 908 {
 909     spice_display_is_running = true;
 910     spice_server_vm_start(spice_server);
 911 }
 912
 913 void qemu_spice_display_stop(void)
 914 {
 915     spice_server_vm_stop(spice_server);
 916     spice_display_is_running = false;
 917 }
 918
 919 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 920 {
 921     return spice_display_is_running;
 922 }
 923
 924 static void spice_register_config(void)
 925 {
 926     qemu_add_opts(&qemu_spice_opts);
 927 }
 928 machine_init(spice_register_config);